Here are the specifications:
MODEL: 18MM Distance Gauge for GentleYAG
Part Number: 7122-00-3505
Condition: New in the Box
Quantity: 1 box of 5 new 18 mm Distance gauges
Comments: These are New Candela Gauges intended for use with GentleYAG
Items are sold as-is with no returns or refunds available unless explicitly stated.